With the establishment of flexible displays behind us, many have asked what the next big development in display technology will be. Recently, free-form displays1 have been gaining traction as next-generation technology that will allow for both high-resolution visuals and portability at the same time. While the technology is still in its nascent stages, significant research has been carried out on stretchable displays (a core technology for free-form displays) that can be stretched in all direct...